<!DOCTYPE html>
<html xmlns='http://www.w3.org/1999/xhtml'>

<head>
    <meta http-equiv='Content-Type' content='text/html; charset=utf-8' />
    <title>单一迁移轨迹</title>
    <script include='jquery' src='./static/libs/include-lib-local.js'></script>
    <script include='language,proj4,mapv' src='./static/libs/include-mapboxgl-local.js'></script>
    <link href='./static/demo/mapboxgl/example/style.css' rel='stylesheet' type='text/css' />
    <style>
        body {
            margin: 0;
            padding: 0;
        }

        #map {
            position: absolute;
            top: 0;
            bottom: 0;
            width: 100%;
        }
    </style>
</head>

<body>
<div id='map'>
    <div id='mouse-position'>
    </div>
</div>
<script>
    //一定要去mapbox注册一个key,这个key会失效的
    mapboxgl.accessToken = 'pk.eyJ1IjoicGFybmRlZWRsaXQiLCJhIjoiY2o1MjBtYTRuMDhpaTMzbXhpdjd3YzhjdCJ9.sCoubaHF9-nhGTA-sgz0sA';
    var map = new mapboxgl.Map({
        container: 'map', // 绑定div
        style: 'mapbox://styles/mapbox/dark-v9', // 使用MapBox官方的样式
        center: [114.321317, 30.398428],
        zoom: 3
    });

    map.addControl(new MapboxLanguage(), 'top-right');//中文支持      
    map.addControl(new mapboxgl.NavigationControl(), 'top-left');
    //注册鼠标移动事件
    map.on('mousemove', function(e) {
        //经纬度坐标转web墨卡托
        const earthRad = 6378137.0;
        const x = e.lngLat.lng * Math.PI / 180 * earthRad;
        const a = e.lngLat.lat * Math.PI / 180;
        const y = earthRad / 2 * Math.log((1.0 + Math.sin(a)) / (1.0 - Math.sin(a)));
        document.getElementById('mouse-position').innerHTML = 'X轴：' + x.toFixed(2) + '，Y轴：' + y.toFixed(2);
    });
    $.get('../../static/data/mapv/china.geojson', function(geojson) {
        if (typeof geojson === 'string') {
            geojson = JSON.parse(geojson);
        }
        var geojsonOptions = {
            gradient: {
                0: 'rgba(55, 50, 250, 0.4)',
                1: 'rgba(55, 50, 250, 1)'
            },
            max: 354551,
            draw: 'intensity'
        };

        var geojsonDataSet = mapv.geojson.getDataSet(geojson);

        var to = '北京';

        var qianxi = new mapv.DataSet([{
            from: '河北',
            count: 354551,
            to: to
        },
            {
                from: '天津',
                count: 97323,
                to: to
            },
            {
                from: '山东',
                count: 28664,
                to: to
            },
            {
                from: '山西',
                count: 16650,
                to: to
            },
            {
                from: '辽宁',
                count: 14379,
                to: to
            },
            {
                from: '河南',
                count: 10980,
                to: to
            },
            {
                from: '内蒙古',
                count: 9603,
                to: to
            },
            {
                from: '江苏',
                count: 4536,
                to: to
            },
            {
                from: '上海',
                count: 3556,
                to: to
            },
            {
                from: '广东',
                count: 2600,
                to: to
            }
        ]);

        var qianxiData = qianxi.get();

        var lineData = [];
        var pointData = [];
        var textData = [];
        var timeData = [];

        var citys = {};

        for (var i = 0; i < qianxiData.length; i++) {
            var fromCenter = mapv.utilCityCenter.getCenterByCityName(qianxiData[i].from);
            var toCenter = mapv.utilCityCenter.getCenterByCityName(qianxiData[i].to);
            if (!fromCenter || !toCenter) {
                continue;
            }
            citys[qianxiData[i].from] = qianxiData[i].count;
            citys[qianxiData[i].to] = 100;
            pointData.push({
                geometry: {
                    type: 'Point',
                    coordinates: [fromCenter.lng, fromCenter.lat]
                }
            });
            pointData.push({
                geometry: {
                    type: 'Point',
                    coordinates: [toCenter.lng, toCenter.lat]
                }
            });
            textData.push({
                geometry: {
                    type: 'Point',
                    coordinates: [fromCenter.lng, fromCenter.lat]
                },
                text: qianxiData[i].from
            });
            textData.push({
                geometry: {
                    type: 'Point',
                    coordinates: [toCenter.lng, toCenter.lat]
                },
                text: qianxiData[i].to
            });

            var curve = mapv.utilCurve.getPoints([fromCenter, toCenter]);

            for (j = 0; j < curve.length; j++) {
                timeData.push({
                    geometry: {
                        type: 'Point',
                        coordinates: curve[j]
                    },
                    count: 1,
                    time: j
                });
            }

            lineData.push({
                geometry: {
                    type: 'LineString',
                    coordinates: curve
                    //coordinates: [[fromCenter.lng, fromCenter.lat], [toCenter.lng, toCenter.lat]]
                },
                count: 30 * Math.random()
            });

        }

        var data = geojsonDataSet.get({
            filter: function(item) {

                if (!citys[item.name]) {
                    return false;
                }

                item.count = citys[item.name];
                return true;
            }
        });
        geojsonDataSet = new mapv.DataSet(data);

        new mapboxgl.zondy.MapvLayer(map, geojsonDataSet, geojsonOptions);

        var textDataSet = new mapv.DataSet(textData);

        var textOptions = {
            context: '2d',
            draw: 'text',
            font: '14px Arial',
            fillStyle: 'white',
            shadowColor: 'yellow',
            shadowBlue: 10,
            zIndex: 11,
            shadowBlur: 10
        };

        new mapboxgl.zondy.MapvLayer(map, textDataSet, textOptions);

        var lineDataSet = new mapv.DataSet(lineData);

        var lineOptions = {
            context: '2d',
            strokeStyle: 'rgba(255, 250, 50, 0.8)',
            shadowColor: 'rgba(255, 250, 50, 1)',
            shadowBlur: 20,
            lineWidth: 2,
            zIndex: 100,
            draw: 'simple'
        };

        new mapboxgl.zondy.MapvLayer(map, lineDataSet, lineOptions);

        var pointOptions = {
            context: '2d',
            fillStyle: 'rgba(254,175,3,0.7)',
            shadowColor: 'rgba(55, 50, 250, 0.5)',
            shadowBlur: 10,
            size: 5,
            zIndex: 10,
            draw: 'simple'
        };

        var pointDataSet = new mapv.DataSet(pointData);

        new mapboxgl.zondy.MapvLayer(map, pointDataSet, pointOptions);


        var timeDataSet = new mapv.DataSet(timeData);

        var timeOptions = {
            context: '2d',
            fillStyle: 'rgba(255, 250, 250, 0.5)',
            zIndex: 200,
            size: 2.5,
            animation: {
                type: 'time',
                stepsRange: {
                    start: 0,
                    end: 50
                },
                trails: 10,
                duration: 2
            },
            draw: 'simple'
        };

        new mapboxgl.zondy.MapvLayer(map, timeDataSet, timeOptions);

    });
</script>


</body>

</html>